C The realization of language greedy snake

1.1 snake
“ snake ” Game design
One 、 Requirements and scoring criteria
1、 Basic function :
1） from “@” Composed of characters “ The snake ” Crawl automatically on the screen 、 Use “w”. “s”.“a”.“d” Key to control the crawling direction ;2)“ The snake ” The length of is a fixed value 10;
3） Food can appear randomly on the screen ;
4) Be able to “ The snake ” Count the number of food eaten and display ;(6o branch )
2、 Extend the functionality :
1） According to “ The snake ” The amount of food eaten increases its length ;(65)
2) When “ The snake ” When it exceeds a certain length, it can molt , Both “ The snake ” The body is divided into the initial length part and the increased part after eating food , The growing part will be separated and left on the screen as the most obstacle , And the initial length part can continue to crawl 、 growth .(80)
3) Use easy× The library function changes the above functions to image version .(85） You can apply for defense .
3、 Free play
1） Students can give free play to design . Add according to the degree of difficulty (0~10 branch )
Two 、 Stage check
1) Whether the basic functions can be completed
2) Can the extension be completed 1、2
3) Can the extension be completed 3

Source download

link ：https://pan.baidu.com/s/1JJs9vbZahUCB6cQvXLgAVg?pwd=1111
Extraction code ：1111